40Ar/39Ar dating of the Jurassic volcanic province of Patagonia : migrating magmatism related to Gondwana break-up and subduction

• Main Authors: Féraud, G., Alric, V., /Fornari, Michel, Bertrand, H., Haller, M.
• Format: Text
• Language: English
• Published: 1999
• Subjects: GEOCHRONOLOGIE; GEODYNAMIQUE; MAGMATISME; VOLCANISME; SUBDUCTION; ROCHE IGNEE; DATATION; ANALYSE ISOTOPIQUE; JURASSIQUE; Antarctic; Argentine; Patagonia; Rocas; Sarmiento; Antarc*
• Online Access: https://www.documentation.ird.fr/hor/fdi:010021870

The Mesozoic large igneous province (LIP) of Patagonia (southern South America), which is one of the largest silicic provinces on Earth has been investigated by the 40Ar/39Ar method. Twenty-seven ages considered as valid, including twenty plateau ages, show that the volcanic activity, ranging from 1...